313243201 has 4 divisors (see below), whose sum is σ = 314244292. Its totient is φ = 312242112.

The previous prime is 313243159. The next prime is 313243223. The reversal of 313243201 is 102342313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102342313 = 3181 ⋅32173.

It can be written as a sum of positive squares in 2 ways, for example, as 108180801 + 205062400 = 10401^2 + 14320^2 .

It is a cyclic number.

It is not a de Polignac number, because 313243201 - 2⁹ = 313242689 is a prime.

It is a Duffinian number.

313243201 is a modest number, since divided by 243201 gives 313 as remainder.

It is not an unprimeable number, because it can be changed into a prime (313243501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500076 + ... + 500701.

It is an arithmetic number, because the mean of its divisors is an integer number (78561073).

Almost surely, 2^313243201 is an apocalyptic number.

It is an amenable number.

313243201 is a deficient number, since it is larger than the sum of its proper divisors (1001091).

313243201 is a wasteful number, since it uses less digits than its factorization.

313243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001090.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313243201 is about 17698.6779449766. The cubic root of 313243201 is about 679.1419403463.

Adding to 313243201 its reverse (102342313), we get a palindrome (415585514).

The spelling of 313243201 in words is "three hundred thirteen million, two hundred forty-three thousand, two hundred one".